Station list     Available data
LOWER MISSISSIPPI RIVER BASIN


07022000       MISSISSIPPI RIVER AT THEBES, IL

(National Stream-Quality Accounting Network Station)


LOCATION.-- Lat 37°13'00", long 89°27'50", in NW 1/4 sec.17, T.15 S., R.3 W., Alexander County, Hydrologic Unit 07140105, near center span on downstream side of railroad bridge at Thebes, 5.0 mi downstream from Headwater Diversion Channel, and at mile 43.7 above Ohio River.

DRAINAGE AREA.-- 713,200 mi2, approximately.

PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE
 

DISCHARGE: October 1932 to current year. Monthly discharge only for some periods, published in WSP 1311. Prior to April 1941, published as "at Cape Girardeau, Mo".

 

STAGE: March 1933 to February 1938 and October 1939 to current year in reports of the U.S. Geological Survey. Prior to April 1941, published as "at Cape Girardeau, Mo". Since November 1878, under name of "at Grays Point" in files of the U.S. Army Corps of Engineers; January 1879 to May of 1896, published as "at Grays Point"; since May 1896, published as "at Cape Girardeau" in reports of the Mississippi River Commission February 1891 to February 1894; and since 1904, published as "at Cape Girardeau" in reports of the National Weather Service.

SURFACE-WATER QUALITY
 

CHEMICAL: January 1973 to current year.

 

SEDIMENT: October 1980 to current year.

 

SPECIFIC CONDUCTANCE: October 1974 to September 1981.

 

WATER TEMPERATURE: October 1974 to September 1981.


REVISED RECORDS.-- WSP 1341: 1844(M). WDR MO-76-1: Drainage area, WDR MO-98-1: Extreme outside period of record.

GAGE.-- Water-stage recorder, U.S. Army Corps of Engineers satellite telemeter and telemark. Datum of gage is 300.00 ft above sea level. Mar. 17, 1933, to Dec. 21 1934, nonrecording gage; Dec. 22, 1934, to Apr. 4, 1941, water-stage recorder, at site 8.2 mi upstream at datum 4.65 ft higher; Apr. 5, 1941, to Sept. 30, 1941, nonrecording gage at present site and datum; Oct. 1, 1941, to Oct. 11, 1943, at datum 0.07 ft higher. Prior to Apr. 5, 1941, various auxiliary gages used. Since Oct. 1, 1943, former gage at Cape Girardeau used as auxiliary gage.

REMARKS.-- Natural flow of stream affected by many reservoirs and navigation dams in the upper Mississippi River Basin and by many reservoirs and diversions for irrigation in the Missouri River Basin. NASQAN station January 1973 to September 1986. Illinois Environmental Protection Agency station October 1986 to September 1994 (during the period, samples were analyzed by the Illinois EPA). Re-established as a NASQAN station October 1994 to current year.

EXTREMES FOR PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 996,000 ft3/s, August 7, 1993; maximum gage height, 45.91 ft, May 23, 1995; minimum discharge, 23,400 ft3/s, December 13, 1937.
SPECIFIC CONDUCTANCE: Maximum daily, 705 microsiemens per centimeter, Aug. 5-7, 1980; minimum daily, 272 microsiemens per centimeter, Apr. 6, 1979.
WATER TEMPERATURE: Maximum daily, 31.5 °C, July 10 and 11, 1975, and July 17, 1977; minimum daily, 0.0 °C, on several days during winter periods.
SUSPENDED-SEDIMENT CONCENTRATONS: Maximum daily mean, 3,890 mg/L, Dec. 22, 1985; minimum daily mean, 13 mg/L, Jan. 28, 1981.
SUSPENDED-SEDIMENT LOADS: Maximum daily, 6,280,000 tons, Mar. 1, 1985; minimum daily, 2,530 tons, Jan. 28, 1981.

EXTREMES OUTSIDE PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Flood of July 4, 1844, reached an elevation of 345.14 ft, present datum, at Grays Point, from floodmarks, discharge, 1,075,000 ft3/s, computed by the U.S. Army Corps of Engineers.
SURFACE-WATER-QUALITY, WATER YEAR OCTOBER 2000 TO SEPTEMBER 2001
DIS- UV UV OXYGEN, pH
CHARGE, ABSORB- ABSORB- DIS- WATER SPE- HARD-
INST. TURBID- ANCE ANCE SOLVED WHOLE CIFIC NESS
(cubic ITY LAB 254 NM, 280 NM, OXYGEN, (per- FIELD CON- TEMPER- TOTAL
SAMPLE feet HACH WTR FLT WTR FLT DIS- cent (stand- DUCT- ATURE (mg/L
DATE TIME TYPE per 2100AN (units (units SOLVED satur- ard ANCE WATER as
second) (NTU) /cm) /cm) (mg/L) ation) units) (µS/cm) (deg C) CaCO3)
(00061) (99872) (50624) (61726) (00300) (00301) (00400) (00095) (00010) (00900)
OCT
04... 1345 ENVIRONMENTAL 100000 -- -- -- 8.8 98 8.1 619 20.9 220
04... 1346 REPLICATE -- -- -- -- -- -- -- -- -- --
NOV
30... 1000 ENVIRONMENTAL 114000 38 .147 .112 12.7 96 8.0 627 4.3 230
30... 1008 BLANK -- -- -- -- -- -- 4.5 3 -- 0
JAN
08... 1615 ENVIRONMENTAL 79400 -- .113 .081 15.1 103 7.8 450 .7 250
08... 1623 BLANK -- -- -- -- -- -- 5.1 4 12.9 --
FEB
07... 1345 ENVIRONMENTAL 161000 120 .178 .139 13.5 97 7.3 378 1.8 170
07... 1353 BLANK -- -- -- -- -- -- 6.0 16 12.0 --
MAR
05... 1520 ENVIRONMENTAL 369000 400 .140 .105 11.5 85 7.2 353 3.5 150
05... 1528 BLANK -- -- -- -- -- -- -- -- -- --
05... 1530 REPLICATE -- 380 .140 .106 -- -- -- -- -- 140
19... 1525 ENVIRONMENTAL 395000 200 .126 .093 11.1 90 7.6 511 6.2 200
APR
09... 1415 ENVIRONMENTAL 308000 140 .137 .103 5.2 50 8.1 441 13.6 180
17... 1015 ENVIRONMENTAL 382000 310 .137 .102 7.1 69 7.5 433 15.0 200
MAY
02... 1330 ENVIRONMENTAL 420000 100 .221 .166 8.9 94 7.8 396 17.6 150
15... 0955 ENVIRONMENTAL 459000 200 .205 .151 6.8 73 7.9 411 19.5 170
JUN
05... 0950 ENVIRONMENTAL 397000 170 .177 .130 6.9 75 8.0 506 18.7 200
05... 0958 BLANK -- -- -- -- -- -- 5.7 4 24.7 --
13... 1350 ENVIRONMENTAL 612000 4.6 .225 .167 5.2 61 7.7 363 22.5 160
JUL
18... 1350 ENVIRONMENTAL 210000 78 .162 .117 8.5 113 7.9 521 27.8 210
18... 1401 ENVIRONMENTAL -- -- -- -- -- -- -- -- -- --
AUG
08... 1350 ENVIRONMENTAL 168000 94 .145 .104 6.0 84 8.2 499 30.5 200
SEP
11... 1350 ENVIRONMENTAL 110000 -- .126 .089 5.6 71 7.8 603 26.6 210

ALKA- ALKA- BICAR- CAR- SOLIDS,
MAGNE- POTAS- LINITY LINITY BONATE BONATE CHLO- FLUO- SILICA, RESIDUE
CALCIUM SIUM, SIUM, SODIUM, WAT DIS WAT DIS WATER WATER RIDE, RIDE, DIS- SULFATE AT 180
DIS- DIS- DIS- DIS- FIX END TOT IT DIS IT DIS IT DIS- DIS- SOLVED DIS- DEG. C
SOLVED SOLVED SOLVED SOLVED FIELD FIELD FIELD FIELD SOLVED SOLVED (mg/L SOLVED DIS-
DATE (mg/L (mg/L (mg/L (mg/L (mg/L as (mg/L as (mg/L as (mg/L (mg/L (mg/L as (mg/L SOLVED
as Ca) as Mg) as K) as Na) CaCO3) CaCO3) HCO3) as CO3) as Cl) as F) SiO2) as SO4) (mg/L)
(00915) (00925) (00935) (00930) (39036) (39086) (00453) (00452) (00940) (00950) (00955) (00945) (70300)
OCT
04... 49.8 22.4 4.12 47.8 150 151 184 0 28.0 .4 7.6 110 377
04... -- -- -- -- -- -- -- -- -- -- -- -- --
NOV
30... 55.3 23.2 4.12 39.5 160 164 200 0 26.8 .4 9.1 99.3 375
30... .05 .008 -- .2 -- -- -- -- -- -- <.02 -- --
JAN
08... 61.0 24.6 3.96 42.0 160 161 196 0 36.8 .3 10.9 85.4 428
08... -- -- -- -- -- -- -- -- -- -- -- -- --
FEB
07... 42.4 15.2 5.05 27.3 120 123 150 0 39.0 .2 7.9 46.5 288
07... -- -- -- -- -- -- -- -- -- -- -- -- --
MAR
05... 36.6 13.1 3.95 13.5 98 98 120 0 23.3 .2 6.7 30.4 209
05... -- -- -- -- -- -- -- -- -- -- -- -- --
05... 35.8 11.9 3.74 12.8 -- -- -- -- 24.0 .2 6.5 30.4 213
19... 53.4 17.0 4.31 22.6 140 146 179 0 24.6 .3 9.9 56.6 307
APR
09... 47.1 15.5 4.50 16.7 -- 127 -- -- 22.9 .2 7.7 44.1 274
17... 49.5 18.8 3.23 17.0 120 124 151 0 32.6 .2 7.9 31.8 281
MAY
02... 39.6 13.5 3.92 12.9 110 111 136 0 16.6 .2 10.2 36.6 249
15... 45.3 14.6 4.22 12.5 110 112 137 0 15.2 .2 10.8 43.3 247
JUN
05... 52.2 18.0 4.66 18.4 140 138 168 0 21.1 .3 10.0 63.8 321
05... <.01 <.008 -- <.1 -- -- -- -- -- -- <.1 -- --
13... 42.4 13.0 4.07 10.9 110 109 133 0 12.9 .2 9.5 33.5 729
JUL
18... 54.5 18.7 4.64 23.8 150 153 186 0 19.4 .3 10.7 67.3 333
AUG
08... 51.2 18.3 4.02 22.1 -- -- -- -- 20.8 .3 7.3 63.4 297
SEP
11... 50.3 19.5 5.27 40.7 140 144 176 0 34.8 .3 4.2 101 364

NITRO- NITRO- NITRO- NITRO- NITRO- NITRO- PHOS- CARBON, CARBON, CARBON,
GEN, GEN,AM- GEN,AM- GEN, GEN, GEN,PAR PHOS- PHORUS INORG + INOR- CARBON, ORGANIC
AMMONIA MONIA + MONIA + NO2+NO3 NITRITE TICULTE PHORUS ORTHO, PHOS- ORGANIC GANIC, ORGANIC PARTIC-
DIS- ORGANIC ORGANIC DIS- DIS- WAT FLT DIS- DIS- PHORUS PARTIC. PARTIC. DIS- ULATE
SOLVED DIS. TOTAL SOLVED SOLVED SUSP SOLVED SOLVED TOTAL TOTAL TOTAL SOLVED TOTAL
DATE (mg/L (mg/L (mg/L (mg/L (mg/L (mg/L (mg/L (mg/L (mg/L (mg/L (mg/L (mg/L (mg/L
as N) as N) as N) as N) as N) as N) as P) as P) as P) as C) as C) as C) as C)
(00608) (00623) (00625) (00631) (00613) (49570) (00666) (00671) (00665) (00694) (00688) (00681) (00689)
OCT
04... <.020 .37 .74 1.00 .023 -- .144 .121 .248 -- -- 4.4 1.2
04... -- -- -- -- -- .322 -- -- -- .3 <.1 4.5 2.3
NOV
30... <.041 .45 .81 1.61 .019 .263 .183 .127 .257 2.3 <.1 4.9 2.3
30... <.002 -- -- <.005 <.001 -- -- <.007 -- -- -- -- --
JAN
08... .342 .70 .88 2.15 .011 .172 .122 .111 .191 1.5 <.1 4.3 1.5
08... -- -- -- -- -- <.022 -- -- -- <.1 <.1 .23 <.1
FEB
07... .346 .93 1.6 2.30 .023 .574 .148 .100 .465 6.0 -- 6.5 --
07... -- -- -- -- -- -- -- -- -- -- -- -- --
MAR
05... .243 .76 2.1 2.56 .018 .897 .103 .085 .776 9.9 .1 5.0 9.8
05... -- -- -- -- -- <.022 -- -- -- <.1 <.1 .17 <.1
05... .249 .71 2.0 2.61 .019 1.1 .104 .086 .825 10 .2 5.1 10
19... .155 .61 1.7 3.06 .029 .848 .128 <.007 .714 7.3 .3 4.4 7.0
APR
09... .049 .50 1.4 3.38 .040 .728 .134 .130 .551 3.5 <.1 4.7 3.5
17... E.031 .51 1.3 4.58 .057 .769 .124 .110 .398 5.3 <.1 4.5 5.3
MAY
02... <.041 .50 1.0 3.32 .054 .674 .091 .070 .291 5.1 <.1 9.2 5.1
15... <.040 .48 1.4 3.18 .032 .898 .113 .094 .516 9.6 <.1 4.5 9.6
JUN
05... <.040 .42 1.4 3.86 .051 1.1 .140 .127 .534 9.2 <.1 5.4 9.2
05... .002 -- -- <.005 <.001 -- -- <.007 -- -- -- -- --
13... <.040 .46 1.3 2.83 .056 .912 .102 .085 .587 10 <.1 11 10
JUL
18... <.040 .42 .84 2.75 .015 .360 .156 .141 .314 3.6 <.1 6.5 3.5
AUG
08... E.029 .38 1.1 1.83 .020 .426 .135 .124 .283 2.8 <.1 4.8 2.8
SEP
11... <.040 .38 .65 .719 .051 .772 .156 .141 .254 7.2 <.1 4.8 7.1

COLI- FECAL CHLOR-A
PHEO- FORM, STREP, PHYTO- ALUM- ANTI- BERYL- CHRO-
PHYTIN E COLI, FECAL, KF STRP PLANK- INUM, MONY, ARSENIC BARIUM, LIUM, BORON, CADMIUM MIUM,
A, MTEC MF 0.7µ MF, TON DIS- DIS- DIS- DIS- DIS- DIS- DIS- DIS-
PHYTO- WATER MF WATER CHROMO SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED
DATE PHYTON (col./ (col./ (col./ FLUOROM (µg/L (µg/L (µg/L (µg/L (µg/L (µg/L (µg/L (µg/L
(µg/L) 100 mL) 100 mL) 100 mL) (µg/L) as Al) as Sb) as As) as Ba) as Be) as B) as Cd) as Cr)
(62360) (31633) (31625) (31673) (70953) (01106) (01095) (01000) (01005) (01010) (01020) (01025) (01030)
OCT
04... -- K50 220 54 -- -- -- 2.3 -- -- 124 -- --
04... -- -- -- -- -- -- -- -- -- -- -- -- --
NOV
30... 7.7 200 K420 K510 13.0 68 1.66 E1.6 299 <.06 117 .04 E.4
30... -- -- -- -- -- <.3 .43 -- 6.0 <.20 <2 <.30 <.2
JAN
08... 3.8 K130 48 480 6.2 -- -- 1.5 -- -- 78 -- --
08... -- -- -- -- -- -- -- -- -- -- -- -- --
FEB
07... 23 540 680 2400 10.3 -- -- 1.3 -- -- 43 -- --
07... -- -- -- -- -- -- -- -- -- -- -- -- --
MAR
05... 15 340 480 7400 7.3 2 .17 1.0 60.9 <.06 28 .05 <.8
05... 13 -- -- -- 6.2 3 .16 1.0 57.9 <.06 26 .09 <.8
19... 10 540 580 6400 10.6 -- -- 1.3 -- -- 42 -- --
APR
09... -- K90 K58 K770 -- -- -- 1.4 -- -- 31 -- --
17... 25 200 460 440 8.9 -- -- 1.1 -- -- 33 -- --
MAY
02... 5.8 92 220 K80 3.7 3 .29 1.4 69.6 <.06 33 E.02 <.8
15... 15 210 820 400 10.5 -- -- 2.1 -- -- 34 -- --
JUN
05... 11 1000 700 890 10.3 -- -- 2.2 -- -- 49 -- --
05... -- -- -- -- -- <1 <.05 <.2 <1.0 <.06 <7 <.04 <.8
13... 6.1 K250 K200 K150 3.8 -- -- 1.8 -- -- 33 -- --
JUL
18... 8.9 K10 100 K7 12.2 -- -- 2.7 -- -- 63 -- --
AUG
08... 20 140 160 22 35.2 5 .35 2.9 89.6 <.06 62 E.03 <.8
SEP
11... 29 330 K420 45 50.1 -- -- 3.3 -- -- 82 -- --

MANGA- MOLYB- SELE- STRON- VANA-
COBALT, COPPER, IRON, LEAD, LITHIUM NESE, DENUM, NICKEL, NIUM, SILVER, TIUM, DIUM, ZINC,
DIS- DIS- DIS- DIS- DIS- DIS- DIS- DIS- DIS- DIS- DIS- DIS- DIS-
SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED
DATE (µg/L (µg/L (µg/L (µg/L (µg/L (µg/L (µg/L (µg/L (µg/L (µg/L (µg/L (µg/L (µg/L
as Co) as Cu) as Fe) as Pb) as Li) as Mn) as Mo) as Ni) as Se) as Ag) as Sr) as V) as Zn)
(01035) (01040) (01046) (01049) (01130) (01056) (01060) (01065) (01145) (01075) (01080) (01085) (01090)
OCT
04... -- -- 20 -- 24.4 -- -- -- <2.4 -- 324 <10.0 --
04... -- -- -- -- -- -- -- -- -- -- -- -- --
NOV
30... .26 2.5 60 .11 20.1 6.1 2.7 1.95 <2.4 <1.0 284 <8.0 19
30... <.20 <.2 <3 <.30 -- <.1 <.2 <.50 -- <.2 .53 -- <.5
JAN
08... -- -- 10 -- 16.8 -- -- -- 1.3 -- 296 2.8 --
08... -- -- -- -- -- -- -- -- -- -- -- -- --
FEB
07... -- -- M -- 6.9 -- -- -- .9 -- 168 2.3 --
07... -- -- -- -- -- -- -- -- -- -- -- -- --
MAR
05... .16 2.1 10 E.04 3.1 3.7 1.3 1.65 .7 <1.0 127 1.8 2
05... .16 2.1 10 E.05 2.9 3.5 1.2 1.70 .7 <1.0 121 1.8 2
19... -- -- <10 -- 9.0 -- -- -- 1.2 -- 210 1.8 --
APR
09... -- -- M -- 6.0 -- -- -- 1.3 -- 163 1.8 --
17... -- -- 20 -- 3.0 -- -- -- .8 -- 114 2.2 --
MAY
02... .15 1.9 M E.05 5.6 1.6 1.5 1.00 .8 <1.0 134 2.7 2
15... -- -- <10 -- 7.1 -- -- -- 1.4 -- 158 4.8 --
JUN
05... -- -- <10 -- 10.2 -- -- -- 1.3 -- 196 3.0 --
05... <.02 E.2 <10 <.08 <.3 <.1 <.2 <.06 <.3 <1.0 <.08 <.2 <1
13... -- -- <10 -- 5.2 -- -- -- .9 -- 148 3.3 --
JUL
18... -- -- <10 -- 15.6 -- -- -- 1.3 -- 229 3.9 --
AUG
08... .18 2.2 <10 E.04 11.5 .4 3.1 .62 1.2 <1.0 214 4.6 1
SEP
11... -- -- <10 -- 19.8 -- -- -- 1.7 -- 266 4.9 --

2,6-DI- BEN- CAR- CARBO- DEETHYL
ETHYL ACETO- ALA- ATRA- FLUR- BUTYL- BARYL FURAN CYANA- DCPA ATRA-
ANILINE CHLOR, CHLOR, ALPHA ZINE, ALIN ATE, WATER WATER CHLOR- ZINE, WATER ZINE,
WAT FLT WATER WATER, BHC WATER, WAT FLD WATER, FLTRD FLTRD PYRIFOS WATER, FLTRD WATER,
0.7 m FLTRD DISS, DIS- DISS, 0.7 m DISS, 0.7 m 0.7 m DIS- DISS, 0.7 m DISS,
DATE GF, REC REC REC, SOLVED REC GF, REC REC GF, REC GF, REC SOLVED REC GF, REC REC
(µg/L) (µg/L) (µg/L) (µg/L) (µg/L) (µg/L) (µg/L) (µg/L) (µg/L) (µg/L) (µg/L) (µg/L) (µg/L)
(82660) (49260) (46342) (34253) (39632) (82673) (04028) (82680) (82674) (38933) (04041) (82682) (04040)
OCT
04... <.002 <.010 <.002 <.005 .164 <.010 <.002 <.041 <.020 <.005 <.018 <.003 E.009
04... -- -- -- -- -- -- -- -- -- -- -- -- --
NOV
30... <.002 <.004 <.002 <.005 .109 <.010 <.002 <.041 <.020 <.005 <.018 <.003 E.032
30... -- -- -- -- -- -- -- -- -- -- -- -- --
JAN
08... <.002 .013 <.002 <.005 .108 <.010 <.002 <.041 <.020 <.005 <.018 <.003 E.040
08... -- -- -- -- -- -- -- -- -- -- -- -- --
FEB
07... -- -- -- -- -- -- -- -- -- -- -- -- --
07... <.002 <.004 <.002 <.005 <.007 <.010 <.002 <.041 <.020 <.005 <.018 <.003 <.006
MAR
05... <.002 .013 <.002 <.005 .148 E.004 <.002 E.006 <.020 <.005 E.013 <.003 E.029
05... <.002 <.004 <.002 <.005 E.002 E.006 <.002 E.006 <.020 E.004 <.018 E.003 E.002
05... <.002 .015 <.002 <.005 .164 <.010 <.002 E.006 <.020 <.005 E.013 <.003 E.037
19... <.002 .046 .012 <.005 .191 <.010 <.002 <.041 <.020 <.005 E.006 <.003 E.037
APR
09... <.002 .030 .336 <.005 .326 <.010 <.002 <.041 <.020 <.005 .025 <.003 E.043
17... <.002 .065 .008 <.005 .412 <.010 <.002 E.007 <.020 <.005 E.008 <.003 E.029
MAY
02... <.002 .060 .006 <.005 .294 <.010 <.002 <.041 <.020 <.005 <.018 <.003 E.048
15... -- -- -- -- -- -- -- -- -- -- -- -- --
JUN
05... <.002 .350 .032 <.005 1.55 <.010 <.002 <.041 <.020 <.005 E.008 <.003 E.211
05... -- -- -- -- -- -- -- -- -- -- -- -- --
13... <.002 .305 .090 <.005 1.01 <.010 <.002 <.041 <.020 <.005 E.007 <.003 E.312
JUL
18... <.002 .081 .017 <.005 .739 <.010 <.002 <.041 <.020 <.005 E.004 <.003 E.118
AUG
08... <.002 .044 .010 <.005 .465 <.010 <.002 <.041 <.020 <.005 <.018 <.003 E.125
SEP
11... <.002 .015 <.002 <.005 .199 <.010 <.002 <.041 <.020 <.005 <.018 <.003 E.051

DISUL- ETHAL- ETHO- LIN- METHYL METHYL
FOTON EPTC FLUR- PROP URON AZIN- PARA-
DI- DI- WATER WATER ALIN WATER FONOFOS WATER MALA- PHOS THION METO-
AZINON, ELDRIN FLTRD FLTRD WAT FLT FLTRD WATER LINDANE FLTRD THION, WAT FLT WAT FLT LACHLOR
DIS- DIS- 0.7 m 0.7 m 0.7 m 0.7 m DISS DIS- 0.7m DIS- 0.7 m 0.7 m WATER
DATE SOLVED SOLVED GF, REC GF, REC GF, REC GF, REC REC SOLVED GF, REC SOLVED GF, REC GF, REC DISSOLV
(µg/L) (µg/L) (µg/L) (µg/L) (µg/L) (µg/L) (µg/L) (µg/L) (µg/L) (µg/L) (µg/L) (µg/L) (µg/L)
(39572) (39381) (82677) (82668) (82663) (82672) (04095) (39341) (82666) (39532) (82686) (82667) (39415)
OCT
04... <.005 <.005 <.021 <.002 <.009 <.005 <.003 <.004 <.035 <.027 <.050 <.006 .041
04... -- -- -- -- -- -- -- -- -- -- -- -- --
NOV
30... <.005 <.005 <.021 <.002 <.009 <.005 <.003 <.004 <.035 <.027 <.050 <.020 .033
30... -- -- -- -- -- -- -- -- -- -- -- -- --
JAN
08... <.005 <.005 <.021 <.002 <.009 <.005 <.003 <.004 <.035 <.027 <.050 <.006 .034
08... -- -- -- -- -- -- -- -- -- -- -- -- --
FEB
07... -- -- -- -- -- -- -- -- -- -- -- -- --
07... <.005 <.005 <.021 <.002 <.009 <.005 <.003 <.004 <.035 <.027 <.050 <.006 <.013
MAR
05... <.005 <.005 <.021 <.002 <.009 <.005 <.003 <.004 <.035 <.027 <.050 <.006 .103
05... E.003 .007 <.021 <.002 E.006 <.005 <.003 <.004 <.035 <.027 <.050 <.006 E.002
05... <.005 <.005 <.021 <.002 <.009 <.005 <.003 <.004 <.035 <.027 <.050 <.006 .107
19... E.004 <.005 <.021 <.002 <.009 <.005 <.003 <.004 <.035 <.027 <.050 .025 .075
APR
09... <.005 <.005 <.021 <.002 <.009 <.005 <.003 <.004 <.035 <.027 <.050 <.006 .183
17... E.004 <.005 <.021 <.002 <.009 <.005 <.003 <.004 <.035 <.027 <.050 <.010 .365
MAY
02... <.005 <.005 <.021 <.002 <.009 <.005 <.003 <.004 <.035 <.027 <.050 <.006 .318
15... -- -- -- -- -- -- -- -- -- -- -- -- --
JUN
05... <.005 <.005 <.021 <.002 <.009 <.005 <.003 <.004 <.035 <.027 <.050 <.006 .753
05... -- -- -- -- -- -- -- -- -- -- -- -- --
13... E.004 <.005 <.021 <.002 <.009 <.005 <.003 <.004 <.035 <.027 <.050 <.006 .672
JUL
18... <.005 <.005 <.021 <.002 <.009 <.005 <.003 <.004 <.035 <.027 <.050 <.006 .270
AUG
08... <.005 <.005 <.021 <.002 <.009 <.005 <.003 <.004 <.035 <.027 <.050 <.006 .150
SEP
11... .010 <.005 <.021 <.002 <.009 <.005 <.003 <.004 <.035 <.027 <.050 <.006 .060

MOL- NAPROP- PEB- PENDI- PER- PRON- PRO-
METRI- INATE AMIDE ULATE METH- METHRIN PHORATE PRO- AMIDE PROPA- PANIL
BUZIN WATER WATER PARA- WATER ALIN CIS WATER METON, WATER CHLOR, WATER
SENCOR FLTRD FLTRD P,P' THION, FILTRD WAT FLT WAT FLT FLTRD WATER, FLTRD WATER, FLTRD
WATER 0.7 m 0.7 m DDE DIS- 0.7 m 0.7 m 0.7 m 0.7 m DISS, 0.7 m DISS, 0.7 m
DATE DISSOLV GF, REC GF, REC DISSOLV SOLVED GF, REC GF, REC GF, REC GF, REC REC GF, REC REC GF, REC
(µg/L) (µg/L) (µg/L) (µg/L) (µg/L) (µg/L) (µg/L) (µg/L) (µg/L) (µg/L) (µg/L) (µg/L) (µg/L)
(82630) (82671) (82684) (34653) (39542) (82669) (82683) (82687) (82664) (04037) (82676) (04024) (82679)
OCT
04... <.006 <.002 <.007 <.003 <.007 <.002 <.010 <.006 <.011 E.007 <.004 <.010 <.011
04... -- -- -- -- -- -- -- -- -- -- -- -- --
NOV
30... <.006 <.002 <.007 <.003 <.007 <.002 <.010 <.006 <.011 E.006 <.004 <.010 <.011
30... -- -- -- -- -- -- -- -- -- -- -- -- --
JAN
08... <.006 <.002 <.007 <.003 <.007 <.002 <.010 <.006 <.011 E.005 <.004 <.010 <.011
08... -- -- -- -- -- -- -- -- -- -- -- -- --
FEB
07... -- -- -- -- -- -- -- -- -- -- -- -- --
07... <.006 <.002 <.007 <.003 <.007 <.020 <.010 <.006 <.011 <.015 <.004 <.010 <.011
MAR
05... E.006 <.002 <.007 <.003 <.007 <.002 <.010 <.006 <.011 E.005 <.004 <.010 <.011
05... <.006 <.002 <.007 E.004 <.007 <.002 E.007 <.006 <.011 <.015 <.004 <.010 <.011
05... <.006 <.002 <.007 E.003 <.007 <.002 <.010 <.006 <.011 E.005 <.004 <.010 <.011
19... <.006 <.002 <.007 <.003 <.007 <.002 <.010 <.006 <.011 <.015 <.004 <.010 <.011
APR
09... <.006 <.002 <.007 <.003 <.007 <.002 <.010 <.006 <.011 E.003 <.004 <.010 <.011
17... .009 <.002 <.007 <.003 <.007 <.002 <.010 <.006 <.011 E.004 <.004 <.010 <.011
MAY
02... <.006 <.002 <.007 <.003 <.007 <.002 <.010 <.006 <.011 E.003 <.004 <.010 <.011
15... -- -- -- -- -- -- -- -- -- -- -- -- --
JUN
05... .030 <.002 <.007 <.003 <.007 <.002 <.010 <.006 <.011 E.005 <.004 <.010 <.011
05... -- -- -- -- -- -- -- -- -- -- -- -- --
13... .030 <.002 <.007 <.003 <.007 <.002 <.010 <.006 <.011 E.005 <.004 <.010 <.011
JUL
18... .009 <.002 <.007 <.003 <.007 <.002 <.010 <.006 <.011 E.007 <.004 <.010 <.011
AUG
08... <.006 <.002 <.007 <.003 <.007 <.002 <.010 <.006 <.011 E.009 <.004 <.010 <.011
SEP
11... <.006 <.002 <.007 <.003 <.007 <.002 <.010 <.006 <.011 E.010 <.004 <.010 <.011

PRO- TEBU- TER- TER- THIO- TRIAL- TRI- SED.
PARGITE SI- THIURON BACIL BUFOS BENCARB LATE FLUR- URANIUM SUSP.
WATER MAZINE, WATER WATER WATER WATER WATER ALIN NATURAL SIEVE SEDI-
FLTRD WATER, FLTRD FLTRD FLTRD FLTRD FLTRD WAT FLT DIS- DIAM. MENT,
0.7 m DISS, 0.7 m 0.7 m 0.7 m 0.7 m 0.7 m 0.7 m SOLVED % FINER SUS-
DATE GF, REC REC GF, REC GF, REC GF, REC GF, REC GF, REC GF, REC (µg/L THAN PENDED
(µg/L) (µg/L) (µg/L) (µg/L) (µg/L) (µg/L) (µg/L) (µg/L) as U) .062 mm (mg/L)
(82685) (04035) (82670) (82665) (82675) (82681) (82678) (82661) (22703) (70331) (80154)
OCT
04... <.023 <.011 <.016 <.034 <.017 <.005 <.002 <.009 -- 83 77
04... -- -- -- -- -- -- -- -- -- 84 77
NOV
30... <.023 .037 <.016 <.034 <.017 <.005 <.002 <.009 2.10 46 84
30... -- -- -- -- -- -- -- -- <.20 -- --
JAN
08... <.023 E.011 <.016 <.034 <.017 <.005 <.002 <.009 -- 55 58
08... -- -- -- -- -- -- -- -- -- 48 49
FEB
07... -- -- -- -- -- -- -- -- -- 63 333
07... <.023 <.011 <.016 <.034 <.017 <.005 <.002 <.009 -- -- --
MAR
05... <.023 .046 <.016 <.034 <.017 <.005 <.002 E.005 .85 81 866
05... <.023 <.011 <.016 <.034 <.017 E.003 E.003 E.006 -- -- --
05... <.023 .050 <.016 <.034 <.017 <.005 <.002 E.004 .81 83 826
19... <.023 .014 <.016 <.034 <.017 <.005 <.002 <.009 -- 77 756
APR
09... <.023 E.009 <.016 <.034 <.017 <.005 <.002 E.004 -- 86 737
17... <.023 .047 <.016 <.034 <.017 <.005 <.002 <.009 -- 88 669
MAY
02... <.023 .015 <.016 <.034 <.017 <.005 <.002 <.009 1.44 70 257
15... -- -- -- -- -- -- -- -- -- 84 562
JUN
05... <.023 .072 <.016 <.034 <.017 <.005 <.002 <.009 -- 86 508
05... -- -- -- -- -- -- -- -- <.02 -- --
13... <.023 .045 <.016 <.034 <.017 <.005 <.002 <.009 -- 89 546
JUL
18... <.023 .016 <.016 <.034 <.017 <.005 <.002 <.009 -- 89 162
AUG
08... <.023 E.010 <.016 <.034 <.017 <.005 <.002 <.009 2.48 95 153
SEP
11... <.023 E.009 <.016 <.034 <.017 <.005 <.002 <.009 -- 96 150

<</td> Less than.
K Results based on colony count outside the acceptable range (non-ideal colony count).
E Laboratory estimated value.
M Presence of material verified, but not quantified.


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data